Bracelet T5 Fiess IP65 étanche pour hommes et femmes, montre intelligente de sport à LED, moniteur d'activité et de sommeil, passomètre

T5 Smart Wristband Fiess Bracelet IP65 Waterproof Men Women Sport Led Activity Sleep Tracker Smart Watch Bracelet Passometer Product parameters: Material: Food-grade environmentally friendly silicone Display screen: LED display screen Charge mode: USB Supply voltage: DC=5V Battery capacity: 50mAh Pedometer: G-sensor Step calculation precision: +-5% Number of step displayed: 39999 steps Weight: 18G Overall dimensions: 215(L)*17(W)*8(H)mm Operation atmospheric pressure:860hPa-1060hPa Product brief introduction: 1.High sensitivity 3D acceleration sensor (seize the small movement, step calculation more accurate) 2.Free transform for the step calculation (humanization design, one-time step calculation, as well as 24 hours step calculation,shift as you ) 3.Time/date (manual setting for the time/height/weight) 4.calorie,distance (can check the motion informaiton in the bracelet) 5.Motion data memory (Bracelet keeps the motion data for 24 hours,eliminate automatically by zero hour, intelligent and worry-saving) 6.Silent alarm clock (can operate the setting on the bracelet, no complicated handle on the App) 7.Timekeeping function (Use the bracelet to do the timekeeping, the motion/distance/time can be clearly seen) 8.Bracelet is with the USB interface (Can be used once charged, very convenient) 9.Li-polymer charging battery (Li-polymer lithium battery is safer, longer life span)